The naira is the currency of Nigeria. It is subdivided into 100 kobo. The Central Bank of Nigeria is the sole issuer of legal tender money throughout the Federation. Currently, the amount of foreign currency is regulated through weekly auctions, while the Central Bank sets the exchange rate.

The Omani rial replaced the rial Saidi at par in 1973. The currency name was altered due to the regime change in 1970 and the subsequent change of the country's name. It is pegged to the US dollar at 1 Rail = 2.6008 US dollars.